[OPEN-1295] Html Editor under Chrome

Hi guy,
I want to say say if anyone have check and fix this problem
if I use htmleditor check following link http://dev.sencha.com/deploy/dev/exa...m/dynamic.html and I press Source edit button , after focus on control I press Tab button check attachment for result( inside control add following string "<span class="Apple-tab-span" style="white-space:pre"> </span>") , if control it's blank.
In IE and GEcko work fine
Thanks for help
Riccardo

I use htmlEditor and I press Source edit button, (ext control swap in visual mode from iFrame to textarea),
I read a html source, if in a source control press a tab key, html source edit control loose focus (normal behaviur - IE, FF) for textarea, but dont give a focus at next control on form (ex.textfield, button...), but give a focus at iFrame control who in this instant it's not visible, and intercept any keys, and write on a textarea (Safari, Chrome -webkit-)
User dont understand whic control have a focus